#region Using Statements
using System;
using System.Xml;
using System.Reflection;
using System.Diagnostics;
using Microsoft.Xna.Framework;
using System.Collections.Generic;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Content.Pipeline;
using Microsoft.Xna.Framework.Content.Pipeline.Processors;
using Microsoft.Xna.Framework.Content.Pipeline.Serialization.Compiler;
#endregion

#region License
//-----------------------------------------------------------------------------
// Copyright (c) 2008, Aaron MacDougall, Daniel Jeffery
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// * Neither the name of Aaron MacDougall or Daniel Jeffery nor the names of its contributors may
//   be used to endorse or promote products derived from this software without
//   specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//-----------------------------------------------------------------------------
#endregion

namespace Agro2DPipeline
{    
    /// <summary>
    /// Imports the XML Level definition, and converts it to a format that can
    /// be used by Agro LevelLoader
    /// </summary>
    [ContentImporter(".level", DefaultProcessor = "LevelProcessor")]
    public class LevelImporter : ContentImporter<LevelInfo>
    {
        public override LevelInfo Import(string filename, ContentImporterContext context)
        {
            // NB: This temporarily allows the debugger to be attached on build/import process.
            //System.Diagnostics.Debugger.Launch();

            LevelInfo levelInfo = new LevelInfo();
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filename);

            XmlElement levelElement = (XmlElement)xmlDoc.LastChild;

            foreach(XmlAttribute attribute in levelElement.Attributes)
                levelInfo.Properties[attribute.Name] = attribute.Value;

            levelInfo.TypeName = levelElement.LocalName;
                       
            foreach(XmlNode child in levelElement.ChildNodes)
            {
                XmlElement childElement = child as XmlElement;
                if(childElement == null)
                    continue;                

                if(childElement.Name == "Sprites")
                {
                    SpriteImport.LoadSprites(childElement, ref levelInfo.SpriteInfo.Sprites);
                }

                if(childElement.Name == "SpawnPoints")
                {
                    SpriteImport.LoadSpawnPoints(childElement, ref levelInfo.SpawnPointInfoList);
                }
                
            }

            return levelInfo;
        }
    }

    /// <summary>
    /// Writes the Level info into a format that can be used in game by Agro
    /// </summary>
    [ContentTypeWriter]
    class LevelWriter : ContentTypeWriter<LevelInfo>
    {
        private void WriteString(ContentWriter output, string data)
        {
            output.Write(data);
        }

        protected override void Write(ContentWriter output, LevelInfo value)
        {
            WriteString(output, value.TypeName);

            output.Write(value.Properties.Keys.Count);
            foreach(string key in value.Properties.Keys)
            {
                WriteString(output, key);
                WriteString(output, value.Properties[key]);
            }

            SpriteImport.WriteSprites(output, ref value.SpriteInfo.Sprites);
            SpriteImport.WriteSpawnPoints(output, ref value.SpawnPointInfoList);
        }

        public override string GetRuntimeType(TargetPlatform targetPlatform)
        {
            return "Agro2D.LevelInfo, Agro2D, Version=1.0.0.0, Culture=neutral";
        }

        public override string GetRuntimeReader(TargetPlatform targetPlatform)
        {
            return "Agro2D.LevelReader, Agro2D, Version=1.0.0.0, Culture=neutral";
        }
    }

    
}